Thanks to Archimedes ...

Thanks to Archimedes, we can count all the grains of sand of the earth and of the Universe !

The Sand Reckoner (Arenarius) by Archimedes of Syracuse (287-212 BC.)

www.fluidr.com/photos/125601701@N03&opSize=l&opMe...

www.fluidr.com/photos/125601701@N03/interesting

Done